[PD] converting video patches from jitter
chris clepper
cgclepper at gmail.com
Thu Nov 9 18:21:47 CET 2006
On 11/9/06, Sciss <contact at sciss.de> wrote:
Using GEM:
>
> jit.qt.movie streaming movie files off harddisc ; note that the
pix_film
> jit.matrix storing frames
pix_buffer
> jit.window presenting movies
gemwin
> jit.scalebias modifying r / g / b dynamics
> jit.op applying fadings
pix_gain, pix_offset, colorRGB, fragment_program
> jit.alphablend superimposing png images with transparency
pix_image plus pix_texture will do this automatically if the image has
a valid alpha channel
> jit.rgb2hsl and jit.hsl2rgb animating de-saturation (to greyscale)
> and back to colour
pix_2grey, pix_contrast (same as pix_saturation),
> also jitter already chokes with playing four small movies (cpu-
> nonintensive codec!!) on a fast macbook, so i hope to also reduce the
> "jitter" in the frame rate timing (images are only 12 fps but jitter
> seems to be really bad in keeping proper timing). to me it looks if
> either gridflow or pdp could be a good choice?
On OSX use the auo message with pix_film to have Quicktime take care
of playback timings.
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